/*产业布局样式*/
/**第一部分*/
.middle{
    /*margin: 10px;*/

}

.middle >div{
    width: 1200px;
    margin: auto;
}
.middle > div:nth-child(1){
    /*border: 1px solid red ;*/
    margin-top: 40px;
    height: 780px;
}
.middle > div:nth-child(1)>div:nth-child(1) > img{
    height: 375px;
}
.middle > div:nth-child(1)>div:nth-child(2) {
    font-size:24px ;
    /*border: 1px solid red ;*/
    text-align: center;
    margin: 10px 0;
    color: #5A5A5A;
    font-weight: bold;
}
.middle > div:nth-child(1)>div:nth-child(3){
    font-size:16px ;
    color: #5A5A5A;
    line-height: 30px;
}
.middle > div:nth-child(1)>div:nth-child(3) > div:first-child >div:first-child {
    font-size:16px ;
    color: #5A5A5A;
    font-weight: bold;
    margin: 0 20px;
}
.middle > div:nth-child(1)>div:nth-child(3) > div:first-child >div:nth-child(2){
    margin: 0 20px;
    font-size:16px ;
    color: #5A5A5A;

}

.middle > div:nth-child(1)>div:nth-child(3) > div:nth-child(2){
    /*border: 1px solid red;*/
}
.middle > div:nth-child(1)>div:nth-child(3) > div:nth-child(2)> div:first-child{
    font-size:16px ;
    color: #5A5A5A;
    font-weight: bold;
    margin: 0 20px;
}
.middle > div:nth-child(1)>div:nth-child(3) > div:nth-child(2)> div:nth-child(2){
    margin: 0 20px;
    font-size:16px ;
    color: #5A5A5A;
}

/***-------------第二部分----------*/

.middle > div:nth-child(2){
    /*border: 1px solid red ;*/
    height: 780px;
    color: #5A5A5A;
    background-color: rgb(246, 246, 246);


}
.middle > div:nth-child(2)>div:nth-child(1) > img{
    height: 375px;
}
.middle > div:nth-child(2)>div:nth-child(2) {
    font-size:24px ;
    /*border: 1px solid red ;*/
    text-align: center;
    margin: 20px 0;
    color: #5A5A5A;
    font-weight: bold;
}
.middle > div:nth-child(2)>div:nth-child(3){
    /*border: 1px solid red ;*/
    line-height: 30px;

}
.middle > div:nth-child(2)>div:nth-child(3) >div{
    margin: 25px 0;
}

.middle > div:nth-child(2)>div:nth-child(3) >div:first-child>div:first-child{
    margin: 0 20px;
}

.middle > div:nth-child(2)>div:nth-child(3) >div:nth-child(2)>div:nth-child(1){
    margin: 0 20px;
}

.middle > div:nth-child(2)>div:nth-child(3) >div:nth-child(3)>div:nth-child(1){
    margin: 0 20px;
}


/***-------------第3部分----------*/
.middle > div:nth-child(3){
    /*border: 1px solid red ;*/
    height: 780px;
    color: #5A5A5A;
    margin-top: 60px    ;
}
.middle > div:nth-child(3)>div:nth-child(1) > img{
    height: 375px;
}
.middle > div:nth-child(3)>div:nth-child(2) {
    font-size:24px ;
    /*border: 1px solid red ;*/
    text-align: center;
    margin: 20px 0;
    color: #5A5A5A;
    font-weight: bold;
}
.middle > div:nth-child(3)>div:nth-child(3){
    /*border: 1px solid red ;*/
    line-height: 30px;

}

.middle > div:nth-child(3)>div:nth-child(3) >div{
    margin: 25px 0;
}

.middle > div:nth-child(3)>div:nth-child(3) >div:first-child>div:first-child{
    margin: 0 20px;
}

.middle > div:nth-child(3)>div:nth-child(3) >div:nth-child(2)>div:nth-child(1){
    margin: 0 20px;
}

.middle > div:nth-child(3)>div:nth-child(3) >div:nth-child(3)>div:nth-child(1){
    margin: 0 20px;
}



/***-------------第4部分----------*/
.middle > div:nth-child(4){
    /*border: 1px solid red ;*/
    height: 780px;
    color: #5A5A5A;
    /*width: 100%;*/
    margin-top: 60px;
    background-color: rgb(246, 246, 246);
}
.middle > div:nth-child(4)>div:nth-child(1) > img{
    height: 375px;

}
.middle > div:nth-child(4)>div:nth-child(2) {
    font-size:24px ;
    /*border: 1px solid red ;*/
    text-align: center;
    margin: 20px 0;
    color: #5A5A5A;
    font-weight: bold;
}
.middle > div:nth-child(4)>div:nth-child(3){
    /*border: 1px solid red ;*/
    line-height: 30px;

}

.middle > div:nth-child(4)>div:nth-child(3) >div{
    margin: 25px 0;
}

.middle > div:nth-child(4)>div:nth-child(3) >div:first-child>div:first-child{
    margin: 0 20px;
}

.middle > div:nth-child(4)>div:nth-child(3) >div:nth-child(2)>div:nth-child(1){
    margin: 0 20px;
}

.middle > div:nth-child(4)>div:nth-child(3) >div:nth-child(3)>div:nth-child(1){
    margin: 0 20px;
}


/***-------------第5部分----------*/
.middle > div:nth-child(5){
    /*border: 1px solid red ;*/
    height: 780px;
    color: #5A5A5A;
    /*width: 100%;*/
    margin-top: 60px;
    /*background-color: rgb(246, 246, 246);*/
}
.middle > div:nth-child(5)>div:nth-child(1) > img{
    height: 375px;

}
.middle > div:nth-child(5)>div:nth-child(2) {
    font-size:24px ;
    /*border: 1px solid red ;*/
    text-align: center;
    margin: 20px 0;
    color: #5A5A5A;
    font-weight: bold;
}
.middle > div:nth-child(5)>div:nth-child(3){
    /*border: 1px solid red ;*/
    line-height: 30px;

}

.middle > div:nth-child(5)>div:nth-child(3) >div{
    margin: 25px 0;
}

.middle > div:nth-child(5)>div:nth-child(3) >div:first-child{
    margin: 0 20px;
}

.middle > div:nth-child(5)>div:nth-child(3) >div:nth-child(2)>div:nth-child(1){
    margin: 0 20px;
}

.middle > div:nth-child(5)>div:nth-child(3) >div:nth-child(3)>div:nth-child(1){
    margin: 0 20px;
}
.middle > div:nth-child(5)>div:nth-child(3) >div:nth-child(4)>div:nth-child(1){
    margin: 0 20px;
}